7 lines (6 with data), 252 Bytes

e222a 0 128 0 10:40:00 03/07/1987
# Start time=10:40
# First beat=10:47:34.382
# <age-range>: 50-54, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.445,  <RR-high-limit(sec)>: 1.148
# Note: recording with a timing signal, flutter-compensated